﻿using System;
using System.Collections.Generic;
using System.Text;

namespace _013_014_015_016_表达式_语句详解__14_1_
{
    internal class Program
    {
        static void Main(string[] args)
        {
            double result = GetCylinderVolume(10, 100);
            Console.WriteLine(result);
            string input = Console.ReadLine();
            try
            {
                double score = double.Parse(input);
                if (score >= 60)
                {
                    Console.WriteLine("Pass");
                }
                else
                {
                    Console.WriteLine("Failed");
                }
            }
            catch(Exception)
            {

                throw;
            }
        }
        static double GetCylinderVolume(double r, double h)
        {
            double area = 3.1416 * r * r;
            double volume = area * h;
            return volume;
        }
    }
}
